Home / 2,813.04-4,216.28-2,117.48

Finding the Fourth Proportional to 2,813.04, 4,216.28 and 2,117.48

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Solution

The fourth proportional to 2,813.04, 4,216.28 and 2,117.48 is: 3,173.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.04 : 4,216.28 = 2,117.48 : x
  2. Step 2: Convert to fraction form
    2,813.04/4,216.28 = 2,117.48/x
  3. Step 3: Cross multiply
    2,813.04x = 4,216.28 × 2,117.48
  4. Step 4: Simplify right side
    2,813.04x = 8,927,888.57
  5. Step 5: Solve for x
    x = 8,927,888.57/2,813.04
  6. Step 6: Final answer
    x = 3,173.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.